Finding the Fourth Proportional to 151,507.95, 209,071.56 and 83,521.41

Step by Step Solution

1. Step 1: Write the proportion equation
   151,507.95 : 209,071.56 = 83,521.41 : x
2. Step 2: Convert to fraction form
   151,507.95/209,071.56 = 83,521.41/x
3. Step 3: Cross multiply
   151,507.95x = 209,071.56 × 83,521.41
4. Step 4: Simplify right side
   151,507.95x = 17,461,951,482.10
5. Step 5: Solve for x
   x = 17,461,951,482.10/151,507.95
6. Step 6: Final answer
   x = 115,254.36