Finding the Fourth Proportional to 326,499,061.44, 450,600,530.40 and 243,849,357.12

Step by Step Solution

1. Step 1: Write the proportion equation
   326,499,061.44 : 450,600,530.40 = 243,849,357.12 : x
2. Step 2: Convert to fraction form
   326,499,061.44/450,600,530.40 = 243,849,357.12/x
3. Step 3: Cross multiply
   326,499,061.44x = 450,600,530.40 × 243,849,357.12
4. Step 4: Simplify right side
   326,499,061.44x = 109,878,649,655,971,008
5. Step 5: Solve for x
   x = 109,878,649,655,971,008/326,499,061.44
6. Step 6: Final answer
   x = 336,535,882.13