Finding the Fourth Proportional to 69,071.93, 103,607.89 and 19,164.59

Step by Step Solution

1. Step 1: Write the proportion equation
   69,071.93 : 103,607.89 = 19,164.59 : x
2. Step 2: Convert to fraction form
   69,071.93/103,607.89 = 19,164.59/x
3. Step 3: Cross multiply
   69,071.93x = 103,607.89 × 19,164.59
4. Step 4: Simplify right side
   69,071.93x = 1,985,602,732.62
5. Step 5: Solve for x
   x = 1,985,602,732.62/69,071.93
6. Step 6: Final answer
   x = 28,746.88