Finding the Fourth Proportional to 61,112.61, 91,526.76 and 59,430.96

Step by Step Solution

1. Step 1: Write the proportion equation
   61,112.61 : 91,526.76 = 59,430.96 : x
2. Step 2: Convert to fraction form
   61,112.61/91,526.76 = 59,430.96/x
3. Step 3: Cross multiply
   61,112.61x = 91,526.76 × 59,430.96
4. Step 4: Simplify right side
   61,112.61x = 5,439,523,212.49
5. Step 5: Solve for x
   x = 5,439,523,212.49/61,112.61
6. Step 6: Final answer
   x = 89,008.20