Finding the Fourth Proportional to 152,030.17, 209,807.55 and 100,954.83

Step by Step Solution

1. Step 1: Write the proportion equation
   152,030.17 : 209,807.55 = 100,954.83 : x
2. Step 2: Convert to fraction form
   152,030.17/209,807.55 = 100,954.83/x
3. Step 3: Cross multiply
   152,030.17x = 209,807.55 × 100,954.83
4. Step 4: Simplify right side
   152,030.17x = 21,181,085,542.97
5. Step 5: Solve for x
   x = 21,181,085,542.97/152,030.17
6. Step 6: Final answer
   x = 139,321.59