Finding the Fourth Proportional to 65,139,358.59, 97,688,329.83 and 21,410,031.15

Step by Step Solution

1. Step 1: Write the proportion equation
   65,139,358.59 : 97,688,329.83 = 21,410,031.15 : x
2. Step 2: Convert to fraction form
   65,139,358.59/97,688,329.83 = 21,410,031.15/x
3. Step 3: Cross multiply
   65,139,358.59x = 97,688,329.83 × 21,410,031.15
4. Step 4: Simplify right side
   65,139,358.59x = 2,091,510,184,651,774
5. Step 5: Solve for x
   x = 2,091,510,184,651,774/65,139,358.59
6. Step 6: Final answer
   x = 32,108,240.39