Finding the Fourth Proportional to 72,184,454.10, 99,588,374.10 and 47,417,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,184,454.10 : 99,588,374.10 = 47,417,976.72 : x
2. Step 2: Convert to fraction form
   72,184,454.10/99,588,374.10 = 47,417,976.72/x
3. Step 3: Cross multiply
   72,184,454.10x = 99,588,374.10 × 47,417,976.72
4. Step 4: Simplify right side
   72,184,454.10x = 4,722,279,204,656,451
5. Step 5: Solve for x
   x = 4,722,279,204,656,451/72,184,454.10
6. Step 6: Final answer
   x = 65,419,615.12