Finding the Fourth Proportional to 3,998,088.50, 5,997,128.02 and 1,302,409.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998,088.50 : 5,997,128.02 = 1,302,409.31 : x
2. Step 2: Convert to fraction form
   3,998,088.50/5,997,128.02 = 1,302,409.31/x
3. Step 3: Cross multiply
   3,998,088.50x = 5,997,128.02 × 1,302,409.31
4. Step 4: Simplify right side
   3,998,088.50x = 7,810,715,333,268.20
5. Step 5: Solve for x
   x = 7,810,715,333,268.20/3,998,088.50
6. Step 6: Final answer
   x = 1,953,612.42