Finding the Fourth Proportional to 415,667.22, 573,627.15 and 243,543.99

Step by Step Solution

1. Step 1: Write the proportion equation
   415,667.22 : 573,627.15 = 243,543.99 : x
2. Step 2: Convert to fraction form
   415,667.22/573,627.15 = 243,543.99/x
3. Step 3: Cross multiply
   415,667.22x = 573,627.15 × 243,543.99
4. Step 4: Simplify right side
   415,667.22x = 139,703,444,883.33
5. Step 5: Solve for x
   x = 139,703,444,883.33/415,667.22
6. Step 6: Final answer
   x = 336,094.45