Finding the Fourth Proportional to 9,523,156.55, 13,142,050.88 and 5,172,327.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,523,156.55 : 13,142,050.88 = 5,172,327.81 : x
2. Step 2: Convert to fraction form
   9,523,156.55/13,142,050.88 = 5,172,327.81/x
3. Step 3: Cross multiply
   9,523,156.55x = 13,142,050.88 × 5,172,327.81
4. Step 4: Simplify right side
   9,523,156.55x = 67,974,995,221,197.33
5. Step 5: Solve for x
   x = 67,974,995,221,197.33/9,523,156.55
6. Step 6: Final answer
   x = 7,137,863.89