Finding the Fourth Proportional to 31,075.78, 42,881.95 and 17,462.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,075.78 : 42,881.95 = 17,462.78 : x
2. Step 2: Convert to fraction form
   31,075.78/42,881.95 = 17,462.78/x
3. Step 3: Cross multiply
   31,075.78x = 42,881.95 × 17,462.78
4. Step 4: Simplify right side
   31,075.78x = 748,838,058.82
5. Step 5: Solve for x
   x = 748,838,058.82/31,075.78
6. Step 6: Final answer
   x = 24,097.16