Finding the Fourth Proportional to 111,779.52, 154,242.80 and 64,030.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,779.52 : 154,242.80 = 64,030.02 : x
2. Step 2: Convert to fraction form
   111,779.52/154,242.80 = 64,030.02/x
3. Step 3: Cross multiply
   111,779.52x = 154,242.80 × 64,030.02
4. Step 4: Simplify right side
   111,779.52x = 9,876,169,568.86
5. Step 5: Solve for x
   x = 9,876,169,568.86/111,779.52
6. Step 6: Final answer
   x = 88,354.02