Finding the Fourth Proportional to 109,782.32, 151,513 and 71,582.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,782.32 : 151,513 = 71,582.72 : x
2. Step 2: Convert to fraction form
   109,782.32/151,513 = 71,582.72/x
3. Step 3: Cross multiply
   109,782.32x = 151,513 × 71,582.72
4. Step 4: Simplify right side
   109,782.32x = 10,845,712,655.36
5. Step 5: Solve for x
   x = 10,845,712,655.36/109,782.32
6. Step 6: Final answer
   x = 98,792.89