Finding the Fourth Proportional to 14,228,279.96, 21,329,341.98 and 5,128,150.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,228,279.96 : 21,329,341.98 = 5,128,150.52 : x
2. Step 2: Convert to fraction form
   14,228,279.96/21,329,341.98 = 5,128,150.52/x
3. Step 3: Cross multiply
   14,228,279.96x = 21,329,341.98 × 5,128,150.52
4. Step 4: Simplify right side
   14,228,279.96x = 109,380,076,165,994.83
5. Step 5: Solve for x
   x = 109,380,076,165,994.83/14,228,279.96
6. Step 6: Final answer
   x = 7,687,512.23