Finding the Fourth Proportional to 94,339, 130,081.53 and 72,779.68

Step by Step Solution

1. Step 1: Write the proportion equation
   94,339 : 130,081.53 = 72,779.68 : x
2. Step 2: Convert to fraction form
   94,339/130,081.53 = 72,779.68/x
3. Step 3: Cross multiply
   94,339x = 130,081.53 × 72,779.68
4. Step 4: Simplify right side
   94,339x = 9,467,292,127.31
5. Step 5: Solve for x
   x = 9,467,292,127.31/94,339
6. Step 6: Final answer
   x = 100,353.96