Finding the Fourth Proportional to 109,312.11, 164,061.62 and 42,798.95

Step by Step Solution

1. Step 1: Write the proportion equation
   109,312.11 : 164,061.62 = 42,798.95 : x
2. Step 2: Convert to fraction form
   109,312.11/164,061.62 = 42,798.95/x
3. Step 3: Cross multiply
   109,312.11x = 164,061.62 × 42,798.95
4. Step 4: Simplify right side
   109,312.11x = 7,021,665,071.30
5. Step 5: Solve for x
   x = 7,021,665,071.30/109,312.11
6. Step 6: Final answer
   x = 64,235.02