Finding the Fourth Proportional to 31,034,513.88, 42,824,407.26 and 19,111,432.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,034,513.88 : 42,824,407.26 = 19,111,432.05 : x
2. Step 2: Convert to fraction form
   31,034,513.88/42,824,407.26 = 19,111,432.05/x
3. Step 3: Cross multiply
   31,034,513.88x = 42,824,407.26 × 19,111,432.05
4. Step 4: Simplify right side
   31,034,513.88x = 818,435,749,431,016.62
5. Step 5: Solve for x
   x = 818,435,749,431,016.62/31,034,513.88
6. Step 6: Final answer
   x = 26,371,792.15