Finding the Fourth Proportional to 129,056,081.59, 178,097,418.22 and 70,318,746.71

Step by Step Solution

1. Step 1: Write the proportion equation
   129,056,081.59 : 178,097,418.22 = 70,318,746.71 : x
2. Step 2: Convert to fraction form
   129,056,081.59/178,097,418.22 = 70,318,746.71/x
3. Step 3: Cross multiply
   129,056,081.59x = 178,097,418.22 × 70,318,746.71
4. Step 4: Simplify right side
   129,056,081.59x = 12,523,587,241,517,118
5. Step 5: Solve for x
   x = 12,523,587,241,517,118/129,056,081.59
6. Step 6: Final answer
   x = 97,039,884.42