Finding the Fourth Proportional to 155,618.32, 233,419.72 and 55,776.88

Step by Step Solution

1. Step 1: Write the proportion equation
   155,618.32 : 233,419.72 = 55,776.88 : x
2. Step 2: Convert to fraction form
   155,618.32/233,419.72 = 55,776.88/x
3. Step 3: Cross multiply
   155,618.32x = 233,419.72 × 55,776.88
4. Step 4: Simplify right side
   155,618.32x = 13,019,423,712.07
5. Step 5: Solve for x
   x = 13,019,423,712.07/155,618.32
6. Step 6: Final answer
   x = 83,662.54