Finding the Fourth Proportional to 151,547.83, 209,134.34 and 83,570.78

Step by Step Solution

1. Step 1: Write the proportion equation
   151,547.83 : 209,134.34 = 83,570.78 : x
2. Step 2: Convert to fraction form
   151,547.83/209,134.34 = 83,570.78/x
3. Step 3: Cross multiply
   151,547.83x = 209,134.34 × 83,570.78
4. Step 4: Simplify right side
   151,547.83x = 17,477,518,455.06
5. Step 5: Solve for x
   x = 17,477,518,455.06/151,547.83
6. Step 6: Final answer
   x = 115,326.75