Finding the Fourth Proportional to 91,279,073.79, 136,919,662.47 and 32,991,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,279,073.79 : 136,919,662.47 = 32,991,178.50 : x
2. Step 2: Convert to fraction form
   91,279,073.79/136,919,662.47 = 32,991,178.50/x
3. Step 3: Cross multiply
   91,279,073.79x = 136,919,662.47 × 32,991,178.50
4. Step 4: Simplify right side
   91,279,073.79x = 4,517,141,024,707,521
5. Step 5: Solve for x
   x = 4,517,141,024,707,521/91,279,073.79
6. Step 6: Final answer
   x = 49,487,147.90