Finding the Fourth Proportional to 91,678,895.20, 137,471,103.60 and 34,141,549.60

Step by Step Solution

1. Step 1: Write the proportion equation
   91,678,895.20 : 137,471,103.60 = 34,141,549.60 : x
2. Step 2: Convert to fraction form
   91,678,895.20/137,471,103.60 = 34,141,549.60/x
3. Step 3: Cross multiply
   91,678,895.20x = 137,471,103.60 × 34,141,549.60
4. Step 4: Simplify right side
   91,678,895.20x = 4,693,476,502,126,139
5. Step 5: Solve for x
   x = 4,693,476,502,126,139/91,678,895.20
6. Step 6: Final answer
   x = 51,194,732.35