Finding the Fourth Proportional to 72,174,737.21, 99,603,095.82 and 40,817,475.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,174,737.21 : 99,603,095.82 = 40,817,475.33 : x
2. Step 2: Convert to fraction form
   72,174,737.21/99,603,095.82 = 40,817,475.33/x
3. Step 3: Cross multiply
   72,174,737.21x = 99,603,095.82 × 40,817,475.33
4. Step 4: Simplify right side
   72,174,737.21x = 4,065,546,906,271,410.50
5. Step 5: Solve for x
   x = 4,065,546,906,271,410.50/72,174,737.21
6. Step 6: Final answer
   x = 56,329,223.54