Finding the Fourth Proportional to 109,507.69, 151,120.54 and 61,760.93

Step by Step Solution

1. Step 1: Write the proportion equation
   109,507.69 : 151,120.54 = 61,760.93 : x
2. Step 2: Convert to fraction form
   109,507.69/151,120.54 = 61,760.93/x
3. Step 3: Cross multiply
   109,507.69x = 151,120.54 × 61,760.93
4. Step 4: Simplify right side
   109,507.69x = 9,333,344,182.50
5. Step 5: Solve for x
   x = 9,333,344,182.50/109,507.69
6. Step 6: Final answer
   x = 85,230.04