Finding the Fourth Proportional to 98,899.00, 147,805.54 and 72,300.98

Step by Step Solution

1. Step 1: Write the proportion equation
   98,899.00 : 147,805.54 = 72,300.98 : x
2. Step 2: Convert to fraction form
   98,899.00/147,805.54 = 72,300.98/x
3. Step 3: Cross multiply
   98,899.00x = 147,805.54 × 72,300.98
4. Step 4: Simplify right side
   98,899.00x = 10,686,485,580.19
5. Step 5: Solve for x
   x = 10,686,485,580.19/98,899.00
6. Step 6: Final answer
   x = 108,054.54