Finding the Fourth Proportional to 111,130.04, 153,360.42 and 65,810.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,130.04 : 153,360.42 = 65,810.54 : x
2. Step 2: Convert to fraction form
   111,130.04/153,360.42 = 65,810.54/x
3. Step 3: Cross multiply
   111,130.04x = 153,360.42 × 65,810.54
4. Step 4: Simplify right side
   111,130.04x = 10,092,732,054.83
5. Step 5: Solve for x
   x = 10,092,732,054.83/111,130.04
6. Step 6: Final answer
   x = 90,819.12