Finding the Fourth Proportional to 105,251,056.47, 145,230,322.01 and 60,588,395.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,251,056.47 : 145,230,322.01 = 60,588,395.31 : x
2. Step 2: Convert to fraction form
   105,251,056.47/145,230,322.01 = 60,588,395.31/x
3. Step 3: Cross multiply
   105,251,056.47x = 145,230,322.01 × 60,588,395.31
4. Step 4: Simplify right side
   105,251,056.47x = 8,799,272,161,455,020
5. Step 5: Solve for x
   x = 8,799,272,161,455,020/105,251,056.47
6. Step 6: Final answer
   x = 83,602,696.80