Finding the Fourth Proportional to 131,457,100.72, 197,203,594.20 and 54,762,189.16

Step by Step Solution

1. Step 1: Write the proportion equation
   131,457,100.72 : 197,203,594.20 = 54,762,189.16 : x
2. Step 2: Convert to fraction form
   131,457,100.72/197,203,594.20 = 54,762,189.16/x
3. Step 3: Cross multiply
   131,457,100.72x = 197,203,594.20 × 54,762,189.16
4. Step 4: Simplify right side
   131,457,100.72x = 10,799,300,528,612,278
5. Step 5: Solve for x
   x = 10,799,300,528,612,278/131,457,100.72
6. Step 6: Final answer
   x = 82,150,758.46