Finding the Fourth Proportional to 168,111.52, 252,029.86 and 78,210.27

Step by Step Solution

1. Step 1: Write the proportion equation
   168,111.52 : 252,029.86 = 78,210.27 : x
2. Step 2: Convert to fraction form
   168,111.52/252,029.86 = 78,210.27/x
3. Step 3: Cross multiply
   168,111.52x = 252,029.86 × 78,210.27
4. Step 4: Simplify right side
   168,111.52x = 19,711,323,643.07
5. Step 5: Solve for x
   x = 19,711,323,643.07/168,111.52
6. Step 6: Final answer
   x = 117,251.48