Finding the Fourth Proportional to 28,699,442.01, 43,026,429.15 and 14,315,105.61

Step by Step Solution

1. Step 1: Write the proportion equation
   28,699,442.01 : 43,026,429.15 = 14,315,105.61 : x
2. Step 2: Convert to fraction form
   28,699,442.01/43,026,429.15 = 14,315,105.61/x
3. Step 3: Cross multiply
   28,699,442.01x = 43,026,429.15 × 14,315,105.61
4. Step 4: Simplify right side
   28,699,442.01x = 615,927,877,303,432.50
5. Step 5: Solve for x
   x = 615,927,877,303,432.50/28,699,442.01
6. Step 6: Final answer
   x = 21,461,318.90