Finding the Fourth Proportional to 89,478,298.47, 134,175,041.56 and 31,165,639.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,478,298.47 : 134,175,041.56 = 31,165,639.50 : x
2. Step 2: Convert to fraction form
   89,478,298.47/134,175,041.56 = 31,165,639.50/x
3. Step 3: Cross multiply
   89,478,298.47x = 134,175,041.56 × 31,165,639.50
4. Step 4: Simplify right side
   89,478,298.47x = 4,181,650,975,156,477.50
5. Step 5: Solve for x
   x = 4,181,650,975,156,477.50/89,478,298.47
6. Step 6: Final answer
   x = 46,733,689.02