Finding the Fourth Proportional to 1,112,948.60, 1,669,543.86 and 354,611.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,948.60 : 1,669,543.86 = 354,611.82 : x
2. Step 2: Convert to fraction form
   1,112,948.60/1,669,543.86 = 354,611.82/x
3. Step 3: Cross multiply
   1,112,948.60x = 1,669,543.86 × 354,611.82
4. Step 4: Simplify right side
   1,112,948.60x = 592,039,979,270.89
5. Step 5: Solve for x
   x = 592,039,979,270.89/1,112,948.60
6. Step 6: Final answer
   x = 531,956.27