Finding the Fourth Proportional to 129,152,081.16, 178,229,820.83 and 70,414,794.27

Step by Step Solution

1. Step 1: Write the proportion equation
   129,152,081.16 : 178,229,820.83 = 70,414,794.27 : x
2. Step 2: Convert to fraction form
   129,152,081.16/178,229,820.83 = 70,414,794.27/x
3. Step 3: Cross multiply
   129,152,081.16x = 178,229,820.83 × 70,414,794.27
4. Step 4: Simplify right side
   129,152,081.16x = 12,550,016,166,171,336
5. Step 5: Solve for x
   x = 12,550,016,166,171,336/129,152,081.16
6. Step 6: Final answer
   x = 97,172,388.19