Finding the Fourth Proportional to 16,402,566.10, 24,603,719.55 and 4,272,006.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402,566.10 : 24,603,719.55 = 4,272,006.10 : x
2. Step 2: Convert to fraction form
   16,402,566.10/24,603,719.55 = 4,272,006.10/x
3. Step 3: Cross multiply
   16,402,566.10x = 24,603,719.55 × 4,272,006.10
4. Step 4: Simplify right side
   16,402,566.10x = 105,107,240,000,289.25
5. Step 5: Solve for x
   x = 105,107,240,000,289.25/16,402,566.10
6. Step 6: Final answer
   x = 6,407,975.40