Finding the Fourth Proportional to 79,109,112.64, 118,697,769.68 and 42,710,276.04

Step by Step Solution

1. Step 1: Write the proportion equation
   79,109,112.64 : 118,697,769.68 = 42,710,276.04 : x
2. Step 2: Convert to fraction form
   79,109,112.64/118,697,769.68 = 42,710,276.04/x
3. Step 3: Cross multiply
   79,109,112.64x = 118,697,769.68 × 42,710,276.04
4. Step 4: Simplify right side
   79,109,112.64x = 5,069,614,508,365,143
5. Step 5: Solve for x
   x = 5,069,614,508,365,143/79,109,112.64
6. Step 6: Final answer
   x = 64,083,824.72