Finding the Fourth Proportional to 31,018,142.18, 46,527,271.59 and 12,802,356.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,018,142.18 : 46,527,271.59 = 12,802,356.74 : x
2. Step 2: Convert to fraction form
   31,018,142.18/46,527,271.59 = 12,802,356.74/x
3. Step 3: Cross multiply
   31,018,142.18x = 46,527,271.59 × 12,802,356.74
4. Step 4: Simplify right side
   31,018,142.18x = 595,658,728,828,619
5. Step 5: Solve for x
   x = 595,658,728,828,619/31,018,142.18
6. Step 6: Final answer
   x = 19,203,559.18