Finding the Fourth Proportional to 42,851,116.60, 64,250,773.53 and 17,262,239.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,851,116.60 : 64,250,773.53 = 17,262,239.74 : x
2. Step 2: Convert to fraction form
   42,851,116.60/64,250,773.53 = 17,262,239.74/x
3. Step 3: Cross multiply
   42,851,116.60x = 64,250,773.53 × 17,262,239.74
4. Step 4: Simplify right side
   42,851,116.60x = 1,109,112,256,155,306
5. Step 5: Solve for x
   x = 1,109,112,256,155,306/42,851,116.60
6. Step 6: Final answer
   x = 25,882,925.44