Finding the Fourth Proportional to 88,065,064.80, 131,985,622.80 and 42,528,808.80

Step by Step Solution

1. Step 1: Write the proportion equation
   88,065,064.80 : 131,985,622.80 = 42,528,808.80 : x
2. Step 2: Convert to fraction form
   88,065,064.80/131,985,622.80 = 42,528,808.80/x
3. Step 3: Cross multiply
   88,065,064.80x = 131,985,622.80 × 42,528,808.80
4. Step 4: Simplify right side
   88,065,064.80x = 5,613,191,316,410,120
5. Step 5: Solve for x
   x = 5,613,191,316,410,120/88,065,064.80
6. Step 6: Final answer
   x = 63,739,137.98