Finding the Fourth Proportional to 113,201,820.67, 156,219,041.55 and 64,311,931.39

Step by Step Solution

1. Step 1: Write the proportion equation
   113,201,820.67 : 156,219,041.55 = 64,311,931.39 : x
2. Step 2: Convert to fraction form
   113,201,820.67/156,219,041.55 = 64,311,931.39/x
3. Step 3: Cross multiply
   113,201,820.67x = 156,219,041.55 × 64,311,931.39
4. Step 4: Simplify right side
   113,201,820.67x = 10,046,748,282,411,604
5. Step 5: Solve for x
   x = 10,046,748,282,411,604/113,201,820.67
6. Step 6: Final answer
   x = 88,750,765.87