Finding the Fourth Proportional to 65,103,185.09, 89,916,960.12 and 42,875,533.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,103,185.09 : 89,916,960.12 = 42,875,533.91 : x
2. Step 2: Convert to fraction form
   65,103,185.09/89,916,960.12 = 42,875,533.91/x
3. Step 3: Cross multiply
   65,103,185.09x = 89,916,960.12 × 42,875,533.91
4. Step 4: Simplify right side
   65,103,185.09x = 3,855,237,672,709,177.50
5. Step 5: Solve for x
   x = 3,855,237,672,709,177.50/65,103,185.09
6. Step 6: Final answer
   x = 59,217,343.47