Finding the Fourth Proportional to 72,422,523.88, 99,941,089.86 and 39,827,475.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,422,523.88 : 99,941,089.86 = 39,827,475.88 : x
2. Step 2: Convert to fraction form
   72,422,523.88/99,941,089.86 = 39,827,475.88/x
3. Step 3: Cross multiply
   72,422,523.88x = 99,941,089.86 × 39,827,475.88
4. Step 4: Simplify right side
   72,422,523.88x = 3,980,401,345,820,063
5. Step 5: Solve for x
   x = 3,980,401,345,820,063/72,422,523.88
6. Step 6: Final answer
   x = 54,960,820.65