Finding the Fourth Proportional to 238,941.48, 358,492.86 and 105,803.40

Step by Step Solution

1. Step 1: Write the proportion equation
   238,941.48 : 358,492.86 = 105,803.40 : x
2. Step 2: Convert to fraction form
   238,941.48/358,492.86 = 105,803.40/x
3. Step 3: Cross multiply
   238,941.48x = 358,492.86 × 105,803.40
4. Step 4: Simplify right side
   238,941.48x = 37,929,763,463.72
5. Step 5: Solve for x
   x = 37,929,763,463.72/238,941.48
6. Step 6: Final answer
   x = 158,740.81