Finding the Fourth Proportional to 101,173, 139,618.82 and 56,461

Step by Step Solution

1. Step 1: Write the proportion equation
   101,173 : 139,618.82 = 56,461 : x
2. Step 2: Convert to fraction form
   101,173/139,618.82 = 56,461/x
3. Step 3: Cross multiply
   101,173x = 139,618.82 × 56,461
4. Step 4: Simplify right side
   101,173x = 7,883,018,196.02
5. Step 5: Solve for x
   x = 7,883,018,196.02/101,173
6. Step 6: Final answer
   x = 77,916.22