Finding the Fourth Proportional to 72,322,917.24, 99,806,434.59 and 42,560,145.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,322,917.24 : 99,806,434.59 = 42,560,145.29 : x
2. Step 2: Convert to fraction form
   72,322,917.24/99,806,434.59 = 42,560,145.29/x
3. Step 3: Cross multiply
   72,322,917.24x = 99,806,434.59 × 42,560,145.29
4. Step 4: Simplify right side
   72,322,917.24x = 4,247,776,357,196,997.50
5. Step 5: Solve for x
   x = 4,247,776,357,196,997.50/72,322,917.24
6. Step 6: Final answer
   x = 58,733,476.46