Finding the Fourth Proportional to 99,384.52, 149,145.90 and 64,237

Step by Step Solution

1. Step 1: Write the proportion equation
   99,384.52 : 149,145.90 = 64,237 : x
2. Step 2: Convert to fraction form
   99,384.52/149,145.90 = 64,237/x
3. Step 3: Cross multiply
   99,384.52x = 149,145.90 × 64,237
4. Step 4: Simplify right side
   99,384.52x = 9,580,685,178.30
5. Step 5: Solve for x
   x = 9,580,685,178.30/99,384.52
6. Step 6: Final answer
   x = 96,400.18