Finding the Fourth Proportional to 91,981,824.72, 126,902,863.76 and 58,960,280.94

Step by Step Solution

1. Step 1: Write the proportion equation
   91,981,824.72 : 126,902,863.76 = 58,960,280.94 : x
2. Step 2: Convert to fraction form
   91,981,824.72/126,902,863.76 = 58,960,280.94/x
3. Step 3: Cross multiply
   91,981,824.72x = 126,902,863.76 × 58,960,280.94
4. Step 4: Simplify right side
   91,981,824.72x = 7,482,228,499,380,145
5. Step 5: Solve for x
   x = 7,482,228,499,380,145/91,981,824.72
6. Step 6: Final answer
   x = 81,344,640.88