Finding the Fourth Proportional to 31,098,443.98, 42,931,390.04 and 19,341,502.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098,443.98 : 42,931,390.04 = 19,341,502.40 : x
2. Step 2: Convert to fraction form
   31,098,443.98/42,931,390.04 = 19,341,502.40/x
3. Step 3: Cross multiply
   31,098,443.98x = 42,931,390.04 × 19,341,502.40
4. Step 4: Simplify right side
   31,098,443.98x = 830,357,583,493,996
5. Step 5: Solve for x
   x = 830,357,583,493,996/31,098,443.98
6. Step 6: Final answer
   x = 26,700,936.68