Finding the Fourth Proportional to 151,729.76, 209,387.82 and 83,746.86

Step by Step Solution

1. Step 1: Write the proportion equation
   151,729.76 : 209,387.82 = 83,746.86 : x
2. Step 2: Convert to fraction form
   151,729.76/209,387.82 = 83,746.86/x
3. Step 3: Cross multiply
   151,729.76x = 209,387.82 × 83,746.86
4. Step 4: Simplify right side
   151,729.76x = 17,535,572,970.71
5. Step 5: Solve for x
   x = 17,535,572,970.71/151,729.76
6. Step 6: Final answer
   x = 115,571.09