Finding the Fourth Proportional to 91,946,581.59, 137,953,502.67 and 42,785,881.04

Step by Step Solution

1. Step 1: Write the proportion equation
   91,946,581.59 : 137,953,502.67 = 42,785,881.04 : x
2. Step 2: Convert to fraction form
   91,946,581.59/137,953,502.67 = 42,785,881.04/x
3. Step 3: Cross multiply
   91,946,581.59x = 137,953,502.67 × 42,785,881.04
4. Step 4: Simplify right side
   91,946,581.59x = 5,902,462,154,019,286
5. Step 5: Solve for x
   x = 5,902,462,154,019,286/91,946,581.59
6. Step 6: Final answer
   x = 64,194,470.88