Finding the Fourth Proportional to 62,009.94, 93,009.90 and 19,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,009.94 : 93,009.90 = 19,878.72 : x
2. Step 2: Convert to fraction form
   62,009.94/93,009.90 = 19,878.72/x
3. Step 3: Cross multiply
   62,009.94x = 93,009.90 × 19,878.72
4. Step 4: Simplify right side
   62,009.94x = 1,848,917,759.33
5. Step 5: Solve for x
   x = 1,848,917,759.33/62,009.94
6. Step 6: Final answer
   x = 29,816.47