Finding the Fourth Proportional to 1,434,807.72, 1,979,888.16 and 883,435.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,807.72 : 1,979,888.16 = 883,435.86 : x
2. Step 2: Convert to fraction form
   1,434,807.72/1,979,888.16 = 883,435.86/x
3. Step 3: Cross multiply
   1,434,807.72x = 1,979,888.16 × 883,435.86
4. Step 4: Simplify right side
   1,434,807.72x = 1,749,104,199,333.42
5. Step 5: Solve for x
   x = 1,749,104,199,333.42/1,434,807.72
6. Step 6: Final answer
   x = 1,219,051.29