Finding the Fourth Proportional to 1,604,148.06, 2,406,223.89 and 406,070.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604,148.06 : 2,406,223.89 = 406,070.41 : x
2. Step 2: Convert to fraction form
   1,604,148.06/2,406,223.89 = 406,070.41/x
3. Step 3: Cross multiply
   1,604,148.06x = 2,406,223.89 × 406,070.41
4. Step 4: Simplify right side
   1,604,148.06x = 977,096,321,564.10
5. Step 5: Solve for x
   x = 977,096,321,564.10/1,604,148.06
6. Step 6: Final answer
   x = 609,106.07