Finding the Fourth Proportional to 105,323,756.34, 145,357,724.10 and 60,671,271.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,323,756.34 : 145,357,724.10 = 60,671,271.56 : x
2. Step 2: Convert to fraction form
   105,323,756.34/145,357,724.10 = 60,671,271.56/x
3. Step 3: Cross multiply
   105,323,756.34x = 145,357,724.10 × 60,671,271.56
4. Step 4: Simplify right side
   105,323,756.34x = 8,819,037,952,214,657
5. Step 5: Solve for x
   x = 8,819,037,952,214,657/105,323,756.34
6. Step 6: Final answer
   x = 83,732,656.89