Finding the Fourth Proportional to 91,981,405.82, 138,008,915.94 and 37,398,186.92

Step by Step Solution

1. Step 1: Write the proportion equation
   91,981,405.82 : 138,008,915.94 = 37,398,186.92 : x
2. Step 2: Convert to fraction form
   91,981,405.82/138,008,915.94 = 37,398,186.92/x
3. Step 3: Cross multiply
   91,981,405.82x = 138,008,915.94 × 37,398,186.92
4. Step 4: Simplify right side
   91,981,405.82x = 5,161,283,234,950,688
5. Step 5: Solve for x
   x = 5,161,283,234,950,688/91,981,405.82
6. Step 6: Final answer
   x = 56,112,245.61