Finding the Fourth Proportional to 1,234,979.42, 1,852,209.94 and 348,308.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234,979.42 : 1,852,209.94 = 348,308.06 : x
2. Step 2: Convert to fraction form
   1,234,979.42/1,852,209.94 = 348,308.06/x
3. Step 3: Cross multiply
   1,234,979.42x = 1,852,209.94 × 348,308.06
4. Step 4: Simplify right side
   1,234,979.42x = 645,139,650,914.12
5. Step 5: Solve for x
   x = 645,139,650,914.12/1,234,979.42
6. Step 6: Final answer
   x = 522,388.99