Finding the Fourth Proportional to 103,688,842.55, 155,533,263.83 and 65,225,636.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688,842.55 : 155,533,263.83 = 65,225,636.15 : x
2. Step 2: Convert to fraction form
   103,688,842.55/155,533,263.83 = 65,225,636.15/x
3. Step 3: Cross multiply
   103,688,842.55x = 155,533,263.83 × 65,225,636.15
4. Step 4: Simplify right side
   103,688,842.55x = 10,144,756,075,797,536
5. Step 5: Solve for x
   x = 10,144,756,075,797,536/103,688,842.55
6. Step 6: Final answer
   x = 97,838,454.23