Finding the Fourth Proportional to 565,522.47, 848,276.30 and 139,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   565,522.47 : 848,276.30 = 139,061.98 : x
2. Step 2: Convert to fraction form
   565,522.47/848,276.30 = 139,061.98/x
3. Step 3: Cross multiply
   565,522.47x = 848,276.30 × 139,061.98
4. Step 4: Simplify right side
   565,522.47x = 117,962,981,865.07
5. Step 5: Solve for x
   x = 117,962,981,865.07/565,522.47
6. Step 6: Final answer
   x = 208,591.15