Finding the Fourth Proportional to 2,121,100.04, 3,181,656.63 and 523,663.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,121,100.04 : 3,181,656.63 = 523,663.31 : x
2. Step 2: Convert to fraction form
   2,121,100.04/3,181,656.63 = 523,663.31/x
3. Step 3: Cross multiply
   2,121,100.04x = 3,181,656.63 × 523,663.31
4. Step 4: Simplify right side
   2,121,100.04x = 1,666,116,842,149.25
5. Step 5: Solve for x
   x = 1,666,116,842,149.25/2,121,100.04
6. Step 6: Final answer
   x = 785,496.59