Finding the Fourth Proportional to 10,172,557.22, 15,258,217.29 and 3,607,590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,172,557.22 : 15,258,217.29 = 3,607,590.72 : x
2. Step 2: Convert to fraction form
   10,172,557.22/15,258,217.29 = 3,607,590.72/x
3. Step 3: Cross multiply
   10,172,557.22x = 15,258,217.29 × 3,607,590.72
4. Step 4: Simplify right side
   10,172,557.22x = 55,045,403,099,147.55
5. Step 5: Solve for x
   x = 55,045,403,099,147.55/10,172,557.22
6. Step 6: Final answer
   x = 5,411,166.72