Finding the Fourth Proportional to 149,071.69, 223,607.69 and 64,828.45

Step by Step Solution

1. Step 1: Write the proportion equation
   149,071.69 : 223,607.69 = 64,828.45 : x
2. Step 2: Convert to fraction form
   149,071.69/223,607.69 = 64,828.45/x
3. Step 3: Cross multiply
   149,071.69x = 223,607.69 × 64,828.45
4. Step 4: Simplify right side
   149,071.69x = 14,496,140,149.25
5. Step 5: Solve for x
   x = 14,496,140,149.25/149,071.69
6. Step 6: Final answer
   x = 97,242.74