Finding the Fourth Proportional to 112,307.30, 168,000.15 and 101,248.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,307.30 : 168,000.15 = 101,248.10 : x
2. Step 2: Convert to fraction form
   112,307.30/168,000.15 = 101,248.10/x
3. Step 3: Cross multiply
   112,307.30x = 168,000.15 × 101,248.10
4. Step 4: Simplify right side
   112,307.30x = 17,009,695,987.22
5. Step 5: Solve for x
   x = 17,009,695,987.22/112,307.30
6. Step 6: Final answer
   x = 151,456.73