Finding the Fourth Proportional to 1,201,064.31, 1,657,468.76 and 657,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,064.31 : 1,657,468.76 = 657,200.10 : x
2. Step 2: Convert to fraction form
   1,201,064.31/1,657,468.76 = 657,200.10/x
3. Step 3: Cross multiply
   1,201,064.31x = 1,657,468.76 × 657,200.10
4. Step 4: Simplify right side
   1,201,064.31x = 1,089,288,637,748.38
5. Step 5: Solve for x
   x = 1,089,288,637,748.38/1,201,064.31
6. Step 6: Final answer
   x = 906,936.14