Finding the Fourth Proportional to 1,276,185.94, 1,913,572.50 and 506,904.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,185.94 : 1,913,572.50 = 506,904.32 : x
2. Step 2: Convert to fraction form
   1,276,185.94/1,913,572.50 = 506,904.32/x
3. Step 3: Cross multiply
   1,276,185.94x = 1,913,572.50 × 506,904.32
4. Step 4: Simplify right side
   1,276,185.94x = 969,998,154,780.82
5. Step 5: Solve for x
   x = 969,998,154,780.82/1,276,185.94
6. Step 6: Final answer
   x = 760,075.89