Finding the Fourth Proportional to 222,748.74, 334,117.49 and 64,978.56

Step by Step Solution

1. Step 1: Write the proportion equation
   222,748.74 : 334,117.49 = 64,978.56 : x
2. Step 2: Convert to fraction form
   222,748.74/334,117.49 = 64,978.56/x
3. Step 3: Cross multiply
   222,748.74x = 334,117.49 × 64,978.56
4. Step 4: Simplify right side
   222,748.74x = 21,710,473,046.12
5. Step 5: Solve for x
   x = 21,710,473,046.12/222,748.74
6. Step 6: Final answer
   x = 97,466.20