Finding the Fourth Proportional to 109,373.17, 164,073.42 and 42,804.70

Step by Step Solution

1. Step 1: Write the proportion equation
   109,373.17 : 164,073.42 = 42,804.70 : x
2. Step 2: Convert to fraction form
   109,373.17/164,073.42 = 42,804.70/x
3. Step 3: Cross multiply
   109,373.17x = 164,073.42 × 42,804.70
4. Step 4: Simplify right side
   109,373.17x = 7,023,113,521.07
5. Step 5: Solve for x
   x = 7,023,113,521.07/109,373.17
6. Step 6: Final answer
   x = 64,212.40