Finding the Fourth Proportional to 31,102,139.48, 42,920,970.81 and 17,351,103.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,102,139.48 : 42,920,970.81 = 17,351,103.56 : x
2. Step 2: Convert to fraction form
   31,102,139.48/42,920,970.81 = 17,351,103.56/x
3. Step 3: Cross multiply
   31,102,139.48x = 42,920,970.81 × 17,351,103.56
4. Step 4: Simplify right side
   31,102,139.48x = 744,726,209,420,047.12
5. Step 5: Solve for x
   x = 744,726,209,420,047.12/31,102,139.48
6. Step 6: Final answer
   x = 23,944,533.14