Finding the Fourth Proportional to 92,488.10, 138,699.32 and 33,307.88

Step by Step Solution

1. Step 1: Write the proportion equation
   92,488.10 : 138,699.32 = 33,307.88 : x
2. Step 2: Convert to fraction form
   92,488.10/138,699.32 = 33,307.88/x
3. Step 3: Cross multiply
   92,488.10x = 138,699.32 × 33,307.88
4. Step 4: Simplify right side
   92,488.10x = 4,619,779,446.61
5. Step 5: Solve for x
   x = 4,619,779,446.61/92,488.10
6. Step 6: Final answer
   x = 49,949.99