Finding the Fourth Proportional to 72,322,921.68, 99,806,440.72 and 42,560,149.74

Step by Step Solution

1. Step 1: Write the proportion equation
   72,322,921.68 : 99,806,440.72 = 42,560,149.74 : x
2. Step 2: Convert to fraction form
   72,322,921.68/99,806,440.72 = 42,560,149.74/x
3. Step 3: Cross multiply
   72,322,921.68x = 99,806,440.72 × 42,560,149.74
4. Step 4: Simplify right side
   72,322,921.68x = 4,247,777,062,059,633.50
5. Step 5: Solve for x
   x = 4,247,777,062,059,633.50/72,322,921.68
6. Step 6: Final answer
   x = 58,733,482.60