Finding the Fourth Proportional to 91,437.42, 137,156.10 and 38,809.98

Step by Step Solution

1. Step 1: Write the proportion equation
   91,437.42 : 137,156.10 = 38,809.98 : x
2. Step 2: Convert to fraction form
   91,437.42/137,156.10 = 38,809.98/x
3. Step 3: Cross multiply
   91,437.42x = 137,156.10 × 38,809.98
4. Step 4: Simplify right side
   91,437.42x = 5,323,025,497.88
5. Step 5: Solve for x
   x = 5,323,025,497.88/91,437.42
6. Step 6: Final answer
   x = 58,214.96