Finding the Fourth Proportional to 153,150.96, 229,726.29 and 47,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   153,150.96 : 229,726.29 = 47,978.16 : x
2. Step 2: Convert to fraction form
   153,150.96/229,726.29 = 47,978.16/x
3. Step 3: Cross multiply
   153,150.96x = 229,726.29 × 47,978.16
4. Step 4: Simplify right side
   153,150.96x = 11,021,844,697.83
5. Step 5: Solve for x
   x = 11,021,844,697.83/153,150.96
6. Step 6: Final answer
   x = 71,967.19