Finding the Fourth Proportional to 155,870.48, 233,748.30 and 56,003.96

Step by Step Solution

1. Step 1: Write the proportion equation
   155,870.48 : 233,748.30 = 56,003.96 : x
2. Step 2: Convert to fraction form
   155,870.48/233,748.30 = 56,003.96/x
3. Step 3: Cross multiply
   155,870.48x = 233,748.30 × 56,003.96
4. Step 4: Simplify right side
   155,870.48x = 13,090,830,443.27
5. Step 5: Solve for x
   x = 13,090,830,443.27/155,870.48
6. Step 6: Final answer
   x = 83,985.31