Finding the Fourth Proportional to 107,269.83, 148,036.32 and 64,820.16

Step by Step Solution

1. Step 1: Write the proportion equation
   107,269.83 : 148,036.32 = 64,820.16 : x
2. Step 2: Convert to fraction form
   107,269.83/148,036.32 = 64,820.16/x
3. Step 3: Cross multiply
   107,269.83x = 148,036.32 × 64,820.16
4. Step 4: Simplify right side
   107,269.83x = 9,595,737,948.21
5. Step 5: Solve for x
   x = 9,595,737,948.21/107,269.83
6. Step 6: Final answer
   x = 89,454.21