Finding the Fourth Proportional to 926,101.91, 1,389,152.86 and 610,485

Step by Step Solution

1. Step 1: Write the proportion equation
   926,101.91 : 1,389,152.86 = 610,485 : x
2. Step 2: Convert to fraction form
   926,101.91/1,389,152.86 = 610,485/x
3. Step 3: Cross multiply
   926,101.91x = 1,389,152.86 × 610,485
4. Step 4: Simplify right side
   926,101.91x = 848,056,983,737.10
5. Step 5: Solve for x
   x = 848,056,983,737.10/926,101.91
6. Step 6: Final answer
   x = 915,727.50