Finding the Fourth Proportional to 89,478,298.72, 134,175,041.94 and 31,165,639.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,478,298.72 : 134,175,041.94 = 31,165,639.75 : x
2. Step 2: Convert to fraction form
   89,478,298.72/134,175,041.94 = 31,165,639.75/x
3. Step 3: Cross multiply
   89,478,298.72x = 134,175,041.94 × 31,165,639.75
4. Step 4: Simplify right side
   89,478,298.72x = 4,181,651,020,543,181
5. Step 5: Solve for x
   x = 4,181,651,020,543,181/89,478,298.72
6. Step 6: Final answer
   x = 46,733,689.40