Finding the Fourth Proportional to 341,840.90, 471,768.06 and 188,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,840.90 : 471,768.06 = 188,892.50 : x
2. Step 2: Convert to fraction form
   341,840.90/471,768.06 = 188,892.50/x
3. Step 3: Cross multiply
   341,840.90x = 471,768.06 × 188,892.50
4. Step 4: Simplify right side
   341,840.90x = 89,113,445,914.71
5. Step 5: Solve for x
   x = 89,113,445,914.71/341,840.90
6. Step 6: Final answer
   x = 260,686.91