Finding the Fourth Proportional to 108,372,417.48, 149,555,030.40 and 58,813,218.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,372,417.48 : 149,555,030.40 = 58,813,218.72 : x
2. Step 2: Convert to fraction form
   108,372,417.48/149,555,030.40 = 58,813,218.72/x
3. Step 3: Cross multiply
   108,372,417.48x = 149,555,030.40 × 58,813,218.72
4. Step 4: Simplify right side
   108,372,417.48x = 8,795,812,713,591,449
5. Step 5: Solve for x
   x = 8,795,812,713,591,449/108,372,417.48
6. Step 6: Final answer
   x = 81,162,835.69