Finding the Fourth Proportional to 2,791,087,196.60, 3,851,726,159.54 and 1,538,068,891.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,791,087,196.60 : 3,851,726,159.54 = 1,538,068,891.62 : x
2. Step 2: Convert to fraction form
   2,791,087,196.60/3,851,726,159.54 = 1,538,068,891.62/x
3. Step 3: Cross multiply
   2,791,087,196.60x = 3,851,726,159.54 × 1,538,068,891.62
4. Step 4: Simplify right side
   2,791,087,196.60x = 5,924,220,185,027,446,784
5. Step 5: Solve for x
   x = 5,924,220,185,027,446,784/2,791,087,196.60
6. Step 6: Final answer
   x = 2,122,549,303.46