Finding the Fourth Proportional to 286,883.42, 429,931.46 and 181,513.76

Step by Step Solution

1. Step 1: Write the proportion equation
   286,883.42 : 429,931.46 = 181,513.76 : x
2. Step 2: Convert to fraction form
   286,883.42/429,931.46 = 181,513.76/x
3. Step 3: Cross multiply
   286,883.42x = 429,931.46 × 181,513.76
4. Step 4: Simplify right side
   286,883.42x = 78,038,475,846.89
5. Step 5: Solve for x
   x = 78,038,475,846.89/286,883.42
6. Step 6: Final answer
   x = 272,021.56