Finding the Fourth Proportional to 99,783.51, 137,697.81 and 59,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,783.51 : 137,697.81 = 59,476.50 : x
2. Step 2: Convert to fraction form
   99,783.51/137,697.81 = 59,476.50/x
3. Step 3: Cross multiply
   99,783.51x = 137,697.81 × 59,476.50
4. Step 4: Simplify right side
   99,783.51x = 8,189,783,796.47
5. Step 5: Solve for x
   x = 8,189,783,796.47/99,783.51
6. Step 6: Final answer
   x = 82,075.52