Finding the Fourth Proportional to 99,253.89, 137,041.88 and 61,064.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,253.89 : 137,041.88 = 61,064.82 : x
2. Step 2: Convert to fraction form
   99,253.89/137,041.88 = 61,064.82/x
3. Step 3: Cross multiply
   99,253.89x = 137,041.88 × 61,064.82
4. Step 4: Simplify right side
   99,253.89x = 8,368,437,429.34
5. Step 5: Solve for x
   x = 8,368,437,429.34/99,253.89
6. Step 6: Final answer
   x = 84,313.45