Finding the Fourth Proportional to 109,372.03, 164,071.73 and 42,803.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,372.03 : 164,071.73 = 42,803.56 : x
2. Step 2: Convert to fraction form
   109,372.03/164,071.73 = 42,803.56/x
3. Step 3: Cross multiply
   109,372.03x = 164,071.73 × 42,803.56
4. Step 4: Simplify right side
   109,372.03x = 7,022,854,139.36
5. Step 5: Solve for x
   x = 7,022,854,139.36/109,372.03
6. Step 6: Final answer
   x = 64,210.70