Finding the Fourth Proportional to 133,100.01, 183,656.35 and 78,644.59

Step by Step Solution

1. Step 1: Write the proportion equation
   133,100.01 : 183,656.35 = 78,644.59 : x
2. Step 2: Convert to fraction form
   133,100.01/183,656.35 = 78,644.59/x
3. Step 3: Cross multiply
   133,100.01x = 183,656.35 × 78,644.59
4. Step 4: Simplify right side
   133,100.01x = 14,443,578,576.50
5. Step 5: Solve for x
   x = 14,443,578,576.50/133,100.01
6. Step 6: Final answer
   x = 108,516.74