Finding the Fourth Proportional to 139,224.61, 208,924.77 and 59,262.45

Step by Step Solution

1. Step 1: Write the proportion equation
   139,224.61 : 208,924.77 = 59,262.45 : x
2. Step 2: Convert to fraction form
   139,224.61/208,924.77 = 59,262.45/x
3. Step 3: Cross multiply
   139,224.61x = 208,924.77 × 59,262.45
4. Step 4: Simplify right side
   139,224.61x = 12,381,393,849.83
5. Step 5: Solve for x
   x = 12,381,393,849.83/139,224.61
6. Step 6: Final answer
   x = 88,931.07