Finding the Fourth Proportional to 109,510.79, 151,124.86 and 61,764.04

Step by Step Solution

1. Step 1: Write the proportion equation
   109,510.79 : 151,124.86 = 61,764.04 : x
2. Step 2: Convert to fraction form
   109,510.79/151,124.86 = 61,764.04/x
3. Step 3: Cross multiply
   109,510.79x = 151,124.86 × 61,764.04
4. Step 4: Simplify right side
   109,510.79x = 9,334,081,898.03
5. Step 5: Solve for x
   x = 9,334,081,898.03/109,510.79
6. Step 6: Final answer
   x = 85,234.36