Finding the Fourth Proportional to 278,094.27, 417,173.82 and 100,684.83

Step by Step Solution

1. Step 1: Write the proportion equation
   278,094.27 : 417,173.82 = 100,684.83 : x
2. Step 2: Convert to fraction form
   278,094.27/417,173.82 = 100,684.83/x
3. Step 3: Cross multiply
   278,094.27x = 417,173.82 × 100,684.83
4. Step 4: Simplify right side
   278,094.27x = 42,003,075,147.15
5. Step 5: Solve for x
   x = 42,003,075,147.15/278,094.27
6. Step 6: Final answer
   x = 151,038.98