Finding the Fourth Proportional to 81,152,588.16, 111,925,271.34 and 71,342,056.08

Step by Step Solution

1. Step 1: Write the proportion equation
   81,152,588.16 : 111,925,271.34 = 71,342,056.08 : x
2. Step 2: Convert to fraction form
   81,152,588.16/111,925,271.34 = 71,342,056.08/x
3. Step 3: Cross multiply
   81,152,588.16x = 111,925,271.34 × 71,342,056.08
4. Step 4: Simplify right side
   81,152,588.16x = 7,984,978,984,707,497
5. Step 5: Solve for x
   x = 7,984,978,984,707,497/81,152,588.16
6. Step 6: Final answer
   x = 98,394,631.22