Finding the Fourth Proportional to 72,047,041.38, 99,423,074.16 and 40,257,465.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,047,041.38 : 99,423,074.16 = 40,257,465.48 : x
2. Step 2: Convert to fraction form
   72,047,041.38/99,423,074.16 = 40,257,465.48/x
3. Step 3: Cross multiply
   72,047,041.38x = 99,423,074.16 × 40,257,465.48
4. Step 4: Simplify right side
   72,047,041.38x = 4,002,520,975,911,679.50
5. Step 5: Solve for x
   x = 4,002,520,975,911,679.50/72,047,041.38
6. Step 6: Final answer
   x = 55,554,272.59